ec57db3a01842d649a50f90eff632dd05edde36d0fe72b2d4177e1e67ca3b479

Analysis

max time kernel
1559s
max time network
1560s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 21:21

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General

Target

UntitledNuker-master/src/UntitledNuker.py
Size

21KB
MD5

de5043cfbbfa73015e277e1b141e9088
SHA1

f19481f09dd9f82fd4d70de52313cbd87e5a1dce
SHA256

e7bcf41e37c6919b180cf9372e850ceb3bb2fd14a23f757e802148a60e5dd937
SHA512

9ffa8ca75bf6b5c9cc850a219e68ac1474466bbeb890b1ff522f44407df9606add44b06f5c56aa4b70b78b2023144a8fabf67818fe469147c0b54ec3e7dcb459
SSDEEP

192:0x9tq/z2FmB5b+bf8pmRIlrUkPIa5mco8B/BCpoxlgfxM+jncSxU4AsSQa/gQYjt:0rY+b3JkPIJO8TiXk

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2784	2476	cmd.exe	22
PID 2476 wrote to memory of 2784	2476	cmd.exe	22
PID 2476 wrote to memory of 2784	2476	cmd.exe	22
PID 2784 wrote to memory of 2672	2784	rundll32.exe	30
PID 2784 wrote to memory of 2672	2784	rundll32.exe	30
PID 2784 wrote to memory of 2672	2784	rundll32.exe	30
PID 2784 wrote to memory of 2672	2784	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UntitledNuker-master\src\UntitledNuker.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\UntitledNuker-master\src\UntitledNuker.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\UntitledNuker-master\src\UntitledNuker.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
9bfb3ba9e87cf59fe89df0497641e1ce

SHA1
c03e40ec57dfda0b7b4318e451eb9de18aa9d983

SHA256
66810149858b37c01149976494d941c0788ef51253c761bcd514258bea87cbb6

SHA512
98d380113613efca9a6f780909d4ddb4fcd20f91f17e55a4307167ed1c3d1431190cb99081a87fa0c9d9817ecf96d1cfbaf67b59d521c869f70f0855e2582ced

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